Now outputs nested elements at different indentations

.gitignore

@@ -1,2 +1,3 @@
 *.pyc
 *~
+test.svg

PySVG.py

@@ -1,3 +1,10 @@
+#   ***To do**
+#   Styles
+#   Scripts
+#   Prefered order for output
+#   Nesting parameter
+#   Automatic id generation
+
 class SVG_Element:
     """ Generic element with attributes and potential child elements.
         Outputs as <type attribute dict> child </type>."""
@@ -18,24 +25,24 @@ def __init__(self, type, attributes=None, child=None):
     def addChildElement(self, type, attributes=None, child=None):
         self.children.append(SVG_Element(type, attributes, child))    
 
-    def output(self):
-        svg_string = '<%s' % (self.type)
+    def output(self, nesting=0):
+        svg_string = ' '*nesting + '<%s' % (self.type)
 
         for key, value in self.attributes.items():
             svg_string += ' %s="%s"' % (key, value)
 
         if not self.children:
-            svg_string += '/>'
+            svg_string += '/>\n'
         else:
             svg_string += '>\n'
 
             for child in self.children:
                 if isinstance(child, SVG_Element):
-                    svg_string += child.output()
+                    svg_string += child.output(nesting+1)
                 else:
-                    svg_string += '%s\n' % child
+                    svg_string += ' '*(nesting+1) + '%s\n' % child
 
-            svg_string += '</%s>\n' % (self.type)
+            svg_string += ' '*nesting + '</%s>\n' % (self.type)
 
 
         return svg_string
@@ -47,9 +54,10 @@ def __init__(self, attributes=None):
         SVG_Element.__init__(self, 'svg', attributes)
         self.attributes['version'] = 1.1
         self.attributes['xmlns'] = 'http://www.w3.org/2000/svg'
+        self.attributes['xmlns:xlink'] = 'http://www.w3.org/1999/xlink'
 
     def output(self):
-        svg_string  = '<?xml version="1.0" standalone="no"?>\n'
+        svg_string  = '<?xml version="1.0"  encoding="UTF-8" standalone="no"?>\n'
         svg_string += '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n'
 
         svg_string +=  SVG_Element.output(self)

examples.py

@@ -3,5 +3,8 @@
 my_svg = PySVG.SVG({'width':600})
 my_svg.attributes['height'] = 400
 
-my_svg.addChildElement('rect', {'x':10, 'y':15, 'id':'rect-1'}, 'child')
-print my_svg.output()
+my_svg.addChildElement('Text', {'id':'text-1', 'x':10, 'y':15}, 'This is a child')
+my_svg.addChildElement('rect', {'id':'rect-2', 'x':20, 'y':25, 'width':20, 'height':25, 'fill':'blue'})
+
+fout = file('test.svg', 'w')
+fout.write(my_svg.output())